<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>

<H1>你好：{{name}}</H1>

<form action="post" method="post">
  yourNumber <input type="text" name="name"></input>
  <input type="submit" value="提交">
</form>
</body>
</html>
